Calcium Disorders
Quiz by Heather Powell
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21 questions
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- Q1Which of the following is NOT a response to increased PTH in hypocalcemia?increased renal tubular calcium reabsorptionbone calcium releaseincreased renal 1,25(OH)2D productioncalcitonin secretion30s
- Q2Which of the following is the most common cause of hypercalcemia?Primary hyperparathyroidismMalignancyImmobilizationPaget's disease30s
- Q3True or False: Both thiazide and loop diuretics are known to cause hypercalcemia?FalseTrue30s
- Q4Which of the following mechanisms is NOT induced by lithium to cause hypercalcemia?Increased 1,25(OH)2D productionIncreased bone resorptionRenal tubular calcium reabsorptionIncreased GI absorption30s
- Q5After treating the underlying cause, what is the most appropriate treatment option for a hypovolemic patient with no comorbidities and corrected calcium > 12 mg/dL?Calcitonin0.9% Sodium ChlorideFurosemideDenosumab30s
- Q6In which of the following patients is volume expansion with LR appropriate to use for hypercalcemia treatment?Severe liver diseaseMild Euvolemic HypernatremiaRenal insufficiencyCHF30s
- Q7True or False: Loop diuretics in hypercalcemia treatment results in increased urinary calcium excretion and prevention of fluid overload from saline administration.FalseTrue30s
- Q8Bumex 2 mg PO = Lasix __________ mg IV104020230s
- Q9Which of the following loop diuretics may be used in a patient with a true, severe anaphylactic reaction to sulfa from other loop diuretics?Ethacrynic acidBumetanideFurosemideTorsemide30s
- Q10True or False: Calcitonin must be added to glucocorticoids to prevent tachyphylaxis of the steroids.TrueFalse30s
- Q11A patient presents with corrected calcium of 13 mg/dL (symptomatic) and ESRD. What is the most appropriate pharmacologic treatment for this patient initially?CalcitoninNSFurosemideDenosumab30s
- Q12Hydrocortisone 60 mg = Prednisone _________ mg1215206030s
- Q13Which of the following agents is first-line for hypercalcemia of malignancy if CrCl > 35 ml/min?DenosumabCalcitoninGlucocorticoidsZoledronic acid30s
- Q14True or False: Cincalcet treats hypercalcemia by increasing the sensitivity of ionized calcium on the parathyroid gland thus increasing PTH to decrease calciumTrueFalse30s
- Q15Which of the following deficiencies would NOT necessarily need to be repleted prior to supplementing calcium for maximum efficacy?MagnesiumPTHVitamin DPotassium30s